sidebar and shit

src/models/_entities/categories.rs

@@ -18,12 +18,21 @@ pub struct Model {
     pub image_id: Option<String>,
     pub position: i32,
     pub published: bool,
+    pub parent_id: Option<i32>,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
 pub enum Relation {
     #[sea_orm(has_many = "super::products::Entity")]
     Products,
+    #[sea_orm(
+        belongs_to = "Entity",
+        from = "Column::ParentId",
+        to = "Column::Id",
+        on_update = "Cascade",
+        on_delete = "SetNull"
+    )]
+    Parent,
 }
 
 impl Related<super::products::Entity> for Entity {